21757980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{362633}}^1$

素因数の和:362645

約数の個数: 24

約数和(自身を含む): 60922512

約数和(自身を除く): 39164532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 362633, 725266, 1087899, 1450532, 1813165, 2175798, 3626330, 4351596, 5439495, 7252660, 10878990, 21757980]

約数ペア:

[(1, 21757980), (2, 10878990), (3, 7252660), (4, 5439495), (5, 4351596), (6, 3626330), (10, 2175798), (12, 1813165), (15, 1450532), (20, 1087899), (30, 725266), (60, 362633)]